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How far is Helena, MT, from Caen?

The distance between Caen (Caen – Carpiquet Airport) and Helena (Helena Regional Airport) is 4667 miles / 7512 kilometers / 4056 nautical miles.

Caen – Carpiquet Airport – Helena Regional Airport

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4667
Miles
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7512
Kilometers
Distance arrow
4056
Nautical miles

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Distance from Caen to Helena

There are several ways to calculate the distance from Caen to Helena. Here are two standard methods:

Vincenty's formula (applied above)
  • 4667.471 miles
  • 7511.566 kilometers
  • 4055.921 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 4653.867 miles
  • 7489.673 kilometers
  • 4044.100 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Caen to Helena?

The estimated flight time from Caen – Carpiquet Airport to Helena Regional Airport is 9 hours and 20 minutes.

Flight carbon footprint between Caen – Carpiquet Airport (CFR) and Helena Regional Airport (HLN)

On average, flying from Caen to Helena generates about 541 kg of CO2 per passenger, and 541 kilograms equals 1 192 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Caen to Helena

See the map of the shortest flight path between Caen – Carpiquet Airport (CFR) and Helena Regional Airport (HLN).

Airport information

Origin Caen – Carpiquet Airport
City: Caen
Country: France Flag of France
IATA Code: CFR
ICAO Code: LFRK
Coordinates: 49°10′23″N, 0°26′59″W
Destination Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W